3 * Copyright (c) 2003-2004 The Regents of The University of Michigan
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include "arch/mips/isa_traits.hh"
35 #include "arch/mips/process.hh"
36 #include "base/loader/object_file.hh"
37 #include "base/misc.hh"
38 #include "cpu/thread_context.hh"
39 #include "sim/system.hh"
42 using namespace MipsISA
;
44 MipsLiveProcess::MipsLiveProcess(LiveProcessParams
* params
,
46 : LiveProcess(params
, objFile
)
48 // Set up stack. On MIPS, stack starts at the top of kuseg
49 // user address space. MIPS stack grows down from here
50 stack_base
= 0x7FFFFFFF;
52 // Set pointer for next thread stack. Reserve 8M for main stack.
53 next_thread_stack_base
= stack_base
- (8 * 1024 * 1024);
55 // Set up break point (Top of Heap)
56 brk_point
= objFile
->dataBase() + objFile
->dataSize() + objFile
->bssSize();
57 brk_point
= roundUp(brk_point
, VMPageSize
);
59 // Set up region for mmaps. For now, start at bottom of kuseg space.
60 mmap_start
= mmap_end
= 0x10000;
64 MipsLiveProcess::startup()
66 if (checkpointRestored
)
69 argsInit(MachineBytes
, VMPageSize
);